GSC Power-Division 21-4N Intake Valve Set of 12-33.6mm (STD) (gsc2062-12) 17130 5 GT Description_ASM Front S6K

5 GT Description_ASM Front S6K FMSI D929 2006 thru 2009 SUBARU Legacy 2

While pro-tuning is always recommended

Instant Boost

It is reinforced with three layers of polyester for added strength and resistance against deformation

Billet Aluminum alloy 2024 hex rods are precision CNC machined and gun drilled to reduce unsprung weight while maintaining high strength and stiffness

GSC Power-Division 21-4N Intake Valve Set of 12-33.6mm (STD) (gsc2062-12) 17130 5 GT Description_ASM Front S6KWhen creating our new valve line we set out to create the best performance, longest lasting valves available to the aftermarket. Using advanced 3D design and simulation software, we have created a stronger and higher flowing valve head design. We flow test prototype valve heads in the specific applications to make sure we have the highest flowing valve head available on the market today. With the materials used, we have less valve distortion at the